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Home Q & A Board Biology-Related Homework Help General Biology
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mrsbmarie mrsbmarie
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5 years ago
During intense physical exercise, human cells and tissues increase their need for oxygen to provide the ATP necessary for work. Why does heart rate have to increase to meet the need for oxygen?
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Mhartman97Mhartman97
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5 years ago
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mrsbmarie Author
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5 years ago
This site is awesome
rene_ram97
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Helped a lot
Shassta22
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2 hours ago
Thanks for your help!!
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